【Brand New, Unopened】 Porta Pro Wireless PORTAPROWL Remote Control & Microphone Compatible Bluetooth Headphones I have opened the box, but the headphones are unused. I am selling them because I don't plan to use them. *There is some slight damage to the outer box (see image 7). Thank you. ======================================= The "Porta Pro Wireless" is a BluetoothR-compatible wireless headphone that inherits the sound and design of the KOSS PORTAPRO, which has been loved by enthusiastic fans for over 30 years. ・Supports Qualcomm aptX ・Approximately 12 hours of continuous playback time ・Remote control for convenient and intuitive operation ・Lightweight design for comfortable wear even for long periods ・Includes a dedicated semi-hard case Type: Dynamic, Open-air Frequency Response: 15～25,000Hz Communication Distance: Approximately 10m *Communication distance is an estimate. The communication distance may vary depending on the surrounding environment and radio wave conditions. Connector: USB Type-C Continuous Playback Time: Approximately 12 hours *Playback time may be less than 12 hours depending on the volume and playback environment. Charging Time: Approximately 4 hours Weight: 70g